style.css

body {
    margin: 0;
    padding: 0;
}

.player {
    border: 3px solid orange;
    border-radius: 3px;
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding: 0 20px;
}

.player-controls {
    display: flex;
    align-items: center;    
}

.volume {
    width: 150px;
    height: 10px;
    background: #717171;
    border-radius: 5px;
    position: relative;
    margin-left: 20px;    
}

.volume-control {
    background: red;
    height: 15px;
    width: 15px;
    position: absolute;
    border-radius: 10px;
    top: -2px;
}

.play {
    background: coral;
    width: 30px;
    height: 30px;
    border-radius: 30px;
    position: relative;
}

.play.stopped:after {
    content: '';
    display: block;
    position: absolute;
    width: 0; 
    height: 0; 
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-left: 12px solid white;
    top: 8px;
    left: 11px;}

.play.playing:after, .play.playing:before {
    content: '';
    display: block;
    position: absolute;
    width: 3px;
    height: 18px;
    background: white;
    top: 6px;
    border-radius: 5px;
}

.play.playing:after {
    left: 10px;
}

.play.playing:before {
    right: 10px;
}

.song-name {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-left: 20px;
}

.song-name.span:first-child {
    font-size: bold;
}

.broadcast {
    border: 1px solid black;
    cursor: pointer;
    transition: background 0.5s ease-in-out;
}

.broadcast:hover {
    background: coral;
}


.broadcast-wrap {
    display: flex;
}

@media(max-width: 700px) {
    .broadcast-wrap {
        flex-direction: column;
    }
}